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46868353081 = 112196812
BaseRepresentation
bin101011101001100100…
…100101000000111001
311110222100002000122221
4223221210211000321
51231441244244311
633310411244041
73246304266544
oct535144450071
9143870060587
1046868353081
1118970a66400
129100149621
13455c014204
1423a885985b
151344999671
hexae9925039

46868353081 has 9 divisors (see below), whose sum is σ = 51519071919. Its totient is φ = 42605428800.

The previous prime is 46868353061. The next prime is 46868353127. The reversal of 46868353081 is 18035386864.

The square root of 46868353081 is 216491.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 46099954681 + 768398400 = 214709^2 + 27720^2 .

It is not a de Polignac number, because 46868353081 - 213 = 46868344889 is a prime.

It is a super-2 number, since 2×468683530812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46868353061) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2371561 + ... + 2391241.

Almost surely, 246868353081 is an apocalyptic number.

46868353081 is the 216491-st square number.

46868353081 is the 108246-th centered octagonal number.

It is an amenable number.

46868353081 is a deficient number, since it is larger than the sum of its proper divisors (4650718838).

46868353081 is an frugal number, since it uses more digits than its factorization.

46868353081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39384 (or 19692 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 46868353081 in words is "forty-six billion, eight hundred sixty-eight million, three hundred fifty-three thousand, eighty-one".

Divisors: 1 11 121 19681 216491 2381401 387341761 4260759371 46868353081